<template>
  <div>
    关于
  </div>
</template>

<script>
export default {
    beforeCreate(){
        console.log("I")
    },
    created(){
        console.log("II")
    },
    beforeMount() {
        console.log("III")
    },
    mounted() {
        console.log("IIII")
    },

}
</script>

<style>

</style>